weasel. (vertebrate zoology). The common name for at least 12 species of small, slim carnivores which belong to the family Mustelidae and which have a reddish-brown coat with whitish underparts; species in the northern regions have white fur during the winter and are called ermine.
Call your doctor if there's no improvement after taking antibiotics for 48 hours. Children taking an antibiotic who feel well and don't have a fever often can return to school or child care when they're no longer contagious â usually 24 hours after beginning treatment. But be sure to finish all the medicine.
Most antibiotic treatments for strep throat last about 10 days. Kids usually feel better a day or two after they start them. Once they've been on these drugs for about 24 hours, they're no longer contagious and can go back to school. Even after kids start to feel better, they should finish all their pills.